diff options
Diffstat (limited to 'src/3rdparty/webkit/WebKit/qt/Api/qwebelement.cpp')
-rw-r--r-- | src/3rdparty/webkit/WebKit/qt/Api/qwebelement.cpp | 414 |
1 files changed, 394 insertions, 20 deletions
diff --git a/src/3rdparty/webkit/WebKit/qt/Api/qwebelement.cpp b/src/3rdparty/webkit/WebKit/qt/Api/qwebelement.cpp index 5b83870..6305d10 100644 --- a/src/3rdparty/webkit/WebKit/qt/Api/qwebelement.cpp +++ b/src/3rdparty/webkit/WebKit/qt/Api/qwebelement.cpp @@ -202,23 +202,9 @@ bool QWebElement::isNull() const \sa findFirst() */ -QList<QWebElement> QWebElement::findAll(const QString &selectorQuery) const +QWebElementCollection QWebElement::findAll(const QString &selectorQuery) const { - QList<QWebElement> elements; - if (!m_element) - return elements; - - ExceptionCode exception = 0; // ### - RefPtr<NodeList> nodes = m_element->querySelectorAll(selectorQuery, exception); - if (!nodes) - return elements; - - for (unsigned i = 0; i < nodes->length(); ++i) { - WebCore::Node* n = nodes->item(i); - elements.append(QWebElement(static_cast<Element*>(n))); - } - - return elements; + return QWebElementCollection(*this, selectorQuery); } /*! @@ -682,7 +668,7 @@ static bool setupScriptContext(WebCore::Element* element, JSC::JSValue& thisValu if (!scriptController) return false; - state = scriptController->globalObject()->globalExec(); + state = scriptController->globalObject(mainThreadNormalWorld())->globalExec(); if (!state) return false; @@ -1137,7 +1123,7 @@ QWebElement QWebElement::clone() const The element is still valid after removal, and can be inserted into other parts of the document. - \sa removeChildren(), removeFromDocument() + \sa removeAllChildren(), removeFromDocument() */ QWebElement &QWebElement::takeFromDocument() { @@ -1153,7 +1139,7 @@ QWebElement &QWebElement::takeFromDocument() /*! Removes this element from the document and makes it a null element. - \sa removeChildren(), takeFromDocument() + \sa removeAllChildren(), takeFromDocument() */ void QWebElement::removeFromDocument() { @@ -1171,7 +1157,7 @@ void QWebElement::removeFromDocument() \sa removeFromDocument(), takeFromDocument() */ -void QWebElement::removeChildren() +void QWebElement::removeAllChildren() { if (!m_element) return; @@ -1450,3 +1436,391 @@ void QWebElement::render(QPainter* painter) context.restore(); } +class QWebElementCollectionPrivate : public QSharedData +{ +public: + static QWebElementCollectionPrivate* create(const PassRefPtr<Node> &context, const QString &query); + + RefPtr<NodeList> m_result; + +private: + inline QWebElementCollectionPrivate() {} +}; + +QWebElementCollectionPrivate* QWebElementCollectionPrivate::create(const PassRefPtr<Node> &context, const QString &query) +{ + if (!context) + return 0; + + // Let WebKit do the hard work hehehe + ExceptionCode exception = 0; // ### + RefPtr<NodeList> nodes = context->querySelectorAll(query, exception); + if (!nodes) + return 0; + + QWebElementCollectionPrivate* priv = new QWebElementCollectionPrivate; + priv->m_result = nodes; + return priv; +} + +/*! + \class QWebElementCollection + \since 4.6 + \brief The QWebElementCollection class represents a collection of web elements. + \preliminary + + Elements in a document can be selected using QWebElement::findAll() or using the + QWebElement constructor. The collection is composed by choosing all elements in the + document that match a specified CSS selector expression. + + The number of selected elements is provided through the count() property. Individual + elements can be retrieved by index using at(). + + It is also possible to iterate through all elements in the collection using Qt's foreach + macro: + + \code + QWebElementCollection collection = document.findAll("p"); + foreach (QWebElement paraElement, collection) { + ... + } + \endcode +*/ + +/*! + Constructs an empty collection. +*/ +QWebElementCollection::QWebElementCollection() +{ +} + +/*! + Constructs a copy of \a other. +*/ +QWebElementCollection::QWebElementCollection(const QWebElementCollection &other) + : d(other.d) +{ +} + +/*! + Constructs a collection of elements from the list of child elements of \a contextElement that + match the specified CSS selector \a query. +*/ +QWebElementCollection::QWebElementCollection(const QWebElement &contextElement, const QString &query) +{ + d = QExplicitlySharedDataPointer<QWebElementCollectionPrivate>(QWebElementCollectionPrivate::create(contextElement.m_element, query)); +} + +/*! + Assigns \a other to this collection and returns a reference to this collection. +*/ +QWebElementCollection &QWebElementCollection::operator=(const QWebElementCollection &other) +{ + d = other.d; + return *this; +} + +/*! + Destroys the collection. +*/ +QWebElementCollection::~QWebElementCollection() +{ +} + +/*! \fn QWebElementCollection &QWebElementCollection::operator+=(const QWebElementCollection &other) + + Appends the items of the \a other list to this list and returns a + reference to this list. + + \sa operator+(), append() +*/ + +/*! + Returns a collection that contains all the elements of this collection followed + by all the elements in the \a other collection. Duplicates may occur in the result. + + \sa operator+=() +*/ +QWebElementCollection QWebElementCollection::operator+(const QWebElementCollection &other) const +{ + QWebElementCollection n = *this; n.d.detach(); n += other; return n; +} + +/*! + Extends the collection by appending all items of \a other. + + The resulting collection may include duplicate elements. + + \sa operator+=() +*/ +void QWebElementCollection::append(const QWebElementCollection &other) +{ + if (!d) { + *this = other; + return; + } + if (!other.d) + return; + Vector<RefPtr<Node> > nodes; + RefPtr<NodeList> results[] = { d->m_result, other.d->m_result }; + nodes.reserveInitialCapacity(results[0]->length() + results[1]->length()); + + for (int i = 0; i < 2; ++i) { + int j = 0; + Node* n = results[i]->item(j); + while (n) { + nodes.append(n); + n = results[i]->item(++j); + } + } + + d->m_result = StaticNodeList::adopt(nodes); +} + +/*! + Returns the number of elements in the collection. +*/ +int QWebElementCollection::count() const +{ + if (!d) + return 0; + return d->m_result->length(); +} + +/*! + Returns the element at index position \a i in the collection. +*/ +QWebElement QWebElementCollection::at(int i) const +{ + if (!d) + return QWebElement(); + Node* n = d->m_result->item(i); + return QWebElement(static_cast<Element*>(n)); +} + +/*! + \fn const QWebElement QWebElementCollection::operator[](int position) const + + Returns the element at the specified \a position in the collection. +*/ + +/*! \fn QWebElement QWebElementCollection::first() const + + Returns the first element in the collection. + + \sa last(), operator[](), at(), count() +*/ + +/*! \fn QWebElement QWebElementCollection::last() const + + Returns the last element in the collection. + + \sa first(), operator[](), at(), count() +*/ + +/*! + Returns a QList object with the elements contained in this collection. +*/ +QList<QWebElement> QWebElementCollection::toList() const +{ + if (!d) + return QList<QWebElement>(); + QList<QWebElement> elements; + int i = 0; + Node* n = d->m_result->item(i); + while (n) { + if (n->isElementNode()) + elements.append(QWebElement(static_cast<Element*>(n))); + n = d->m_result->item(++i); + } + return elements; +} + +/*! + \fn QWebElementCollection::const_iterator QWebElementCollection::begin() const + + Returns an STL-style iterator pointing to the first element in the collection. + + \sa end() +*/ + +/*! + \fn QWebElementCollection::const_iterator QWebElementCollection::end() const + + Returns an STL-style iterator pointing to the imaginary element after the + last element in the list. + + \sa begin() +*/ + +/*! + \class QWebElementCollection::const_iterator + \since 4.6 + \brief The QWebElementCollection::const_iterator class provides an STL-style const iterator for QWebElementCollection. + + QWebElementCollection provides STL style const iterators for fast low-level access to the elements. + + QWebElementCollection::const_iterator allows you to iterate over a QWebElementCollection. + + The default QWebElementCollection::const_iterator constructors creates an uninitialized iterator. You must initialize + it using a QWebElementCollection function like QWebElementCollection::begin() or QWebElementCollection::end() before you + can start iterating. +*/ + +/*! + \fn QWebElementCollection::const_iterator::const_iterator() + + Constructs an uninitialized iterator. + + Functions like operator*() and operator++() should not be called on + an uninitialized iterator. Use operator=() to assign a value + to it before using it. + + \sa QWebElementCollection::begin() +*/ + +/*! + \fn QWebElementCollection::const_iterator::const_iterator(const const_iterator &other) + + Constructs a copy of \a other. +*/ + +/*! + \fn QWebElementCollection::const_iterator::const_iterator(const QWebElementCollection *collection, int index) + \internal +*/ + +/*! + \fn const QWebElement QWebElementCollection::const_iterator::operator*() const + + Returns the current element. +*/ + +/*! + \fn bool QWebElementCollection::const_iterator::operator==(const const_iterator &other) const + + Returns true if \a other points to the same item as this iterator; + otherwise returns false. + + \sa operator!=() +*/ + +/*! + \fn bool QWebElementCollection::const_iterator::operator!=(const const_iterator &other) const + + Returns true if \a other points to a different element than this; + iterator; otherwise returns false. + + \sa operator==() +*/ + +/*! + \fn QWebElementCollection::const_iterator &QWebElementCollection::const_iterator::operator++() + + The prefix ++ operator (\c{++it}) advances the iterator to the next element in the collection + and returns an iterator to the new current element. + + Calling this function on QWebElementCollection::end() leads to undefined results. + + \sa operator--() +*/ + +/*! + \fn QWebElementCollection::const_iterator QWebElementCollection::const_iterator::operator++(int) + + \overload + + The postfix ++ operator (\c{it++}) advances the iterator to the next element in the collection + and returns an iterator to the previously current element. + + Calling this function on QWebElementCollection::end() leads to undefined results. +*/ + +/*! + \fn QWebElementCollection::const_iterator &QWebElementCollection::const_iterator::operator--() + + The prefix -- operator (\c{--it}) makes the preceding element current and returns an + iterator to the new current element. + + Calling this function on QWebElementCollection::begin() leads to undefined results. + + \sa operator++() +*/ + +/*! + \fn QWebElementCollection::const_iterator QWebElementCollection::const_iterator::operator--(int) + + \overload + + The postfix -- operator (\c{it--}) makes the preceding element current and returns + an iterator to the previously current element. +*/ + +/*! + \fn QWebElementCollection::const_iterator &QWebElementCollection::const_iterator::operator+=(int j) + + Advances the iterator by \a j elements. If \a j is negative, the iterator goes backward. + + \sa operator-=(), operator+() +*/ + +/*! + \fn QWebElementCollection::const_iterator &QWebElementCollection::const_iterator::operator-=(int j) + + Makes the iterator go back by \a j elements. If \a j is negative, the iterator goes forward. + + \sa operator+=(), operator-() +*/ + +/*! + \fn QWebElementCollection::const_iterator QWebElementCollection::const_iterator::operator+(int j) const + + Returns an iterator to the element at \a j positions forward from this iterator. If \a j + is negative, the iterator goes backward. + + \sa operator-(), operator+=() +*/ + +/*! + \fn QWebElementCollection::const_iterator QWebElementCollection::const_iterator::operator-(int j) const + + Returns an iterator to the element at \a j positiosn backward from this iterator. + If \a j is negative, the iterator goes forward. + + \sa operator+(), operator-=() +*/ + +/*! + \fn int QWebElementCollection::const_iterator::operator-(const_iterator other) const + + Returns the number of elements between the item point to by \a other + and the element pointed to by this iterator. +*/ + +/*! + \fn bool QWebElementCollection::const_iterator::operator<(const const_iterator &other) const + + Returns true if the element pointed to by this iterator is less than the element pointed to + by the \a other iterator. +*/ + +/*! + \fn bool QWebElementCollection::const_iterator::operator<=(const const_iterator &other) const + + Returns true if the element pointed to by this iterator is less than or equal to the + element pointed to by the \a other iterator. +*/ + +/*! + \fn bool QWebElementCollection::const_iterator::operator>(const const_iterator &other) const + + Returns true if the element pointed to by this iterator is greater than the element pointed to + by the \a other iterator. +*/ + +/*! + \fn bool QWebElementCollection::const_iterator::operator>=(const const_iterator &other) const + + Returns true if the element pointed to by this iterator is greater than or equal to the + element pointed to by the \a other iterator. +*/ |